tl;dr: simulatr is an unfinished R package that is intended as interactive educational material. Can you and your team finish it?
...
- use the template mechanism to get your own copy of the repo
- invite collaborators
- divide tasks
- clone the code to your working environment
- make some changes
- commit your changes to a branch
- push your branch
- open a pull request and wait for the checks to run through
- have a collaborator review the code and merge back into main
- celebrate and check out the updated documentation